Home / 30,591.32-45,911.86-15,804.56

Finding the Fourth Proportional to 30,591.32, 45,911.86 and 15,804.56

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Solution

The fourth proportional to 30,591.32, 45,911.86 and 15,804.56 is: 23,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.32 : 45,911.86 = 15,804.56 : x
  2. Step 2: Convert to fraction form
    30,591.32/45,911.86 = 15,804.56/x
  3. Step 3: Cross multiply
    30,591.32x = 45,911.86 × 15,804.56
  4. Step 4: Simplify right side
    30,591.32x = 725,616,746.08
  5. Step 5: Solve for x
    x = 725,616,746.08/30,591.32
  6. Step 6: Final answer
    x = 23,719.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.